Many thanks to the photographers listed below and to the U.S. Fish & Wildlife Service and the U.S. Geological Survey for providing many of the photos in Quick Switch. Visit the National Image Library to take advantage of a wonderful collection of public domain images that you can download.
| Photo | Photographer |
| African Lion | U.S. Fish and Wildlife Service / photo by Gary M. Stolz |
| Alligator | USGS / Florida Integrated Science Center |
| Bactrian Camel |
U.S. Fish and Wildlife Service / photo by Gary M. Stolz |
| Bearded Dragon | U.S. Fish and Wildlife Service / photo by Gary M. Stolz |
| Bengal Tiger |
U.S. Fish and Wildlife Service / photo by Ron Singer |
| Blue Jay |
U.S. Fish and Wildlife Service / photo by Denny Bingham |
| Brown Pelican |
U.S. Fish and Wildlife Service / photo by Gary M. Stolz |
| Caracal | U.S. Fish and Wildlife Service / photo by Gary M. Stolz |
| Cardinal |
U.S. Fish and Wildlife Service / photo by John and Karen Hollingsworth |
| Caribou tail | U.S. Fish and Wildlife Service / photo by Steve Kaufman |
| Cougar |
U.S. Fish and Wildlife Service / photo by Larry Moats |
| Dall Sheep (Lamb) |
U.S. Fish and Wildlife Service / photo by Mark L. Rauzon |
| Delhi-Sands Flower Loving Fly |
U.S. Fish and Wildlife Service / photo by B. "Moose" Peterson |
| Dollar Sunfish | USGS / Florida Integrated Science Center |
| Eastern Wild Turkey tail | U.S. Fish and Wildlife Service / photo by Gary M. Stolz |
| Flathead catfish | U.S. Fish and Wildlife Service / photo by Duane Raver |
| Florida Green Watersnake | USGS / Florida Integrated Science Center |
| Giant Panda (2 photos) | U.S. Fish and Wildlife Service / photo by Gary M. Stolz |
| Grasshopper |
U.S. Fish and Wildlife Service / photo by James C. Leupold |
| Gray Wolf |
U.S. Fish and Wildlife Service / photo by Tracy Brooks, Mission Wolf / USFWS |
| Great Egret | U.S. Fish and Wildlife Service / photo by Joe Martin |
| Great Plains Skink | U.S. Fish and Wildlife Service / photo by Gary M. Stolz |
| Green Tree Frog | USGS / Florida Integrated Science Center |
| Impala | U.S. Fish and Wildlife Service / photo by Mimi Westervelt |
| Impala tail | U.S. Fish and Wildlife Service / photo by Gary M. Stolz |
| Jackal | U.S. Fish and Wildlife Service / photo by Gary M. Stolz |
| Jaguar | U.S. Fish and Wildlife Service / photo by John and Karen Hollingsworth |
| Kodiak Brown Bear |
U.S. Fish and Wildlife Service / photo by John and Karen Hollingsworth |
| Marabou Stork | U.S. Fish and Wildlife Service / photo by Liz Leyden |
| Marmot |
U.S. Fish and Wildlife Service / photo by Bill Hickey |
| Mountain Goat | U.S. Fish and Wildlife Service / photo by Dave Grickson |
| Nile Monitor Lizard | U.S. Fish and Wildlife Service / photo by Gary M. Stolz |
| Oak Toad | USGS / Florida Integrated Science Center |
| Ocelot |
U.S. Fish and Wildlife Service / photo by Tom Smylie |
| Pronghorn Antelope head | U.S. Fish and Wildlife Service / photo by Dave Menke |
| Raven | U.S. Fish and Wildlife Service / photo by Gary M. Stolz |
| Red Fox | U.S. Fish and Wildlife Service / photo by V. Bern |
| Red Fox kit | U.S. Fish and Wildlife Service / photo by Jim Frates |
| Red Fox profile head |
U.S. Fish and Wildlife Service / photo by Robin West |
| Rough Green Snake | USGS / Florida Integrated Science Center |
| Snowy Egret | U.S. Fish and Wildlife Service / photo by Gary M. Stolz |
| Spanish Flag | USGS / Florida Integrated Science Center |
| Turkey Vulture | U.S. Fish and Wildlife Service / photo by Liz Leyden |
| Walrus | U.S. Fish and Wildlife Service / photo by Cline |
| Wapiti (Elk) | U.S. Fish and Wildlife Service |
| White-bearded Wildebeest | U.S. Fish and Wildlife Service / photo by Gary M. Stolz |
| White-tailed Jackrabbit |
U.S. Fish and Wildlife Service / photo by Dean Biggins |
| Wild Turkey | U.S. Fish and Wildlife Service / photo by Gary M. Stolz |
| Yellow-billed Stork | U.S. Fish and Wildlife Service / photo by Mimi Westervelt |